SCM 301 Homework 3 Assignment Solution

You’ve just been promoted to be the line supervisor for Ames Awesome Candies Company. Immediately, you get a call that Finance noticed a cost variance in your department. It appears that you are consuming too few ingredients for your scheduled output. A box of Special Mixed Candies is supposed to be 140 ounces, and your annual bonus is paid on how close you manage your per/unit costs. To begin analyzing the process, you ask your fill machine operator to record the weights of 9 candy cartons each hour for the next 11 hours.

Ames Awesome Candy: Sample Weights

Batch

Wgt. 1

Wgt. 2

Wgt. 3

Wgt. 4

Wgt. 5

Wgt. 6

Wgt. 7

Wgt. 8

Wgt. 9

1

136.97

133.6

138.84

142.4

142.14

143.98

130.47

137.2

137.2

2

141.78

134.25

133.22

132.17

131.63

134.63

135.33

130.7

130.7

3

136.05

136.61

138.46

136.74

136.87

136.72

142.63

137.7

137.7

4

137.36

136.23

144.81

140.99

146.2

135.75

143.73

132.43

132.43

5

139.86

141.12

144.62

137.71

136.19

140.33

136.69

140.61

140.61

6

133.02

135.08

132.76

136.75

137.89

138.09

136.88

145.57

145.57

7

125.99

135.46

129.11

142.99

133.58

147.89

140.61

139.61

145.61

8

141.01

140.06

133.26

134.15

140.39

139.12

134.76

137.17

137.17

9

138.45

139.92

138.48

134.86

144.5

139.68

138.25

140.86

140.86

10

140.98

135.8

134.81

141.83

133.86

132.62

140.45

140.21

140.21

11

145.61

142.98

142.5

138.39

138.01

139.56

137.91

134.37

134.37

What is UCLR?

a.

Less than 18.00

b.

Between 18.00 and 20.00

c.

Between 20.00 and 23.00

d.

Between 23.00 and 26.00

QUESTION 2
What is LCLR?

a.

Less than 0.50

b.

Between 0.51 and 2.00

c.

Between 2.01 and 3.00

d.

Between 3.01 and 4.50

QUESTION 3
All points on the R-chart are within the control limits.

True

False

QUESTION 4
What is UCLX ?

a.

Less than 140.00

b.

Between 140.00 and 142.00

c.

Between 142.01 and 143.00

d.

Between 143.01 and 144.00

e.

Between 144.01 and 145.00

QUESTION 5
What is CLX? (i.e. X-double bar)

a.

Less than 135.00

b.

Between 135.00 and 135.99

c.

Between 136.00 and 136.99

d.

Between 137.00 and 137.99

e.

Between 138.00 and 138.99

QUESTION 6
What is LCLX ?

a.

Less than 133.00

b.

Between 133.01 and 134.00

c.

Between 134.01 and 135.00

d.

Between 135.01 and 136.00

e.

Between 136.01 and 137.50

QUESTION 7
All points on the X-bar chart are within the control limits.

True

False

QUESTION 8
Is the candy making process considered in control?

a.

No. All points on the r-chart are within the control limits.

b.

Yes. All points on the r-chart and x-bar chart are within the control limits.

c.

Yes. All points on the x-bar chart are within the control limits.

d.

No. Not all points on the r-chart or x-bar chart are within the control limits

QUESTION 9
Use the below information for the next 8 questions:

The Martingale, Northern Iowa Little Theater is planning its first play for the upcoming season. However, due to illness of one of their key board members, they are behind schedule. Their President, Laura Rainwater, has used Project Management principles to lay out the task relationships, and she finds they do not have enough time to make the performance date if they follow the traditional schedule as outlined below. Laura has come up with a list of tasks, their time requirements, and their relationships. She has also begun a network diagram, but needs to know what to do next. She knows that she needs to reduce the total time by 4 weeks.

Activity

Duration (weeks)

Crash Time (weeks)

Description

Preceding Activity(ies)

Crashing Cost/Week

A

12

Select Play

B

2

Select Director and Producer

A

C

4

2

Director/Producer Select Staff

B

$1,000

D

5

4

Auditions for Cast

B

$1,500

E

11

8

Construct Set/Sound/Lighting

C

$2,000

F

8

6

Costumes & Makeup

C,D

$1,000

G

4

Promotions/Ticket Sales

D

H

12

9

Rehearsals

D

$500

I

2

Dress Rehearsal

E,F,H

J

2

Performance

G,I

What is the slack time for activity G?

.png”>

a.

4

b.

10

c.

11

d.

12

QUESTION 10
What is the earliest start time for activity I?

a.

23

b.

27

c.

29

d.

30

e.

31

QUESTION 11
What is the latest finish time for activity D?

a.

19

b.

23

c.

29

d.

30

QUESTION 12
Which of the following is the critical path?

a.

ABDGJ

b.

ABDFIJ

c.

ABCEIJ

d.

ABDHIJ

e.

ABCFIJ

QUESTION 13
What is the expected duration of the project?

a.

26 weeks

b.

31 weeks

c.

33 weeks

d.

35 weeks

e.

57 weeks

QUESTION 14
What is the minimum completion time for the project after crashing?

a.

26 weeks

b.

29 weeks

c.

31 weeks

d.

33 weeks

e.

35 weeks

QUESTION 15
What is the critical path after crashing? (i.e. The longest path for which no additional crashing is possible.)

a.

ABDGJ

b.

ABDFIJ

c.

ABCEIJ

d.

ABDHIJ

e.

ABCFIJ

QUESTION 16
If Laura has a budget of only $2,000 for crashing costs, what is the shortest possible completion time?

a.

26 weeks

b.

29 weeks

c.

31 weeks

d.

33 weeks

e.

35 weeks

QUESTION 17
Which one of the following best describes the critical path of a project network?

a.

The sequence of activities between a project’s start and finish that takes the longest time to complete

b.

The sequence of activities between a project’s start and finish that has the maximum amount of activity slack

c.

The sequence of activities between a project’s start and finish that has the minimum amount of activity slack

d.

Both A and C

e.

Both A and B

QUESTION 18
Shown below is a network diagram and associated activity times for a project you are managing.

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What is the slack for activity G?

a.

Less than or equal to 5 weeks

b.

Greater than 5 weeks but less or equal to 10 weeks

c.

Greater than 10 weeks but less than or equal to 15 weeks

d.

Greater than 15 weeks but less than or equal to 20 weeks

e.

Greater than 20 weeks

QUESTION 19
A Work Breakdown Structure ___________________?

a.

lists all the activities making up the higher levels of the project

b.

defines the hierarchy of project tasks, subtasks, and work steps

c.

is incompatible with the Critical Path Method

d.

is a Gantt chart

e.

lists the materials necessary to build the project

QUESTION 20
ISO 9000 is primarily concerned with which of the following management systems?

a.

Environmental

b.

Safety

c.

Logistics

d.

Quality

QUESTION 21
Use the following information to answer questions 21-24.

Brenda Barker, VP of Supply Chain Management for Yellow Machines, Inc. was reviewing a report that detailed the companies supply chain performance. She discovered that on average, if they paid for materials on, for example, day 2 of the fiscal year, they would get paid by their direct customers who bought the product the material went into on day 20 of the fiscal year. In addition, 85 out of every 100 customer orders were delivered to their customers by the agreed upon delivery date, 7 out of every 10 orders were filled complete, on-time, and without damage, and 95 out of every 100 orders to supply chain members were electronic.

The supply chain delivery performance for Yellow Machines, Inc. was?

a.

10%

b.

85%

c.

70%

d.

95%

QUESTION 22
The supply chain e-business performance for Yellow Machines, Inc. was?

a.

10%

b.

85%

c.

70%

d.

95%

QUESTION 23
The cash-to-cash cycle time for Yellow Machines, Inc. was?

a.

5 days

b.

7 days

c.

15 days

d.

18 days

QUESTION 24
The supply chain perfect order fulfillment performance for Yellow Machines, Inc. was?

a.

10%

b.

85%

c.

70%

d.

95%

QUESTION 25
Which of the following activities will reduce supply chain risk?

a.

Inventory reduction

b.

Increasing the number of suppliers

c.

Using overseas rather than U.S. suppliers

d.

Increasing safety stock amounts

e.

B and D

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